Home / 14,276.43-21,510.97-11,831.92

Finding the Fourth Proportional to 14,276.43, 21,510.97 and 11,831.92

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Solution

The fourth proportional to 14,276.43, 21,510.97 and 11,831.92 is: 17,827.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.43 : 21,510.97 = 11,831.92 : x
  2. Step 2: Convert to fraction form
    14,276.43/21,510.97 = 11,831.92/x
  3. Step 3: Cross multiply
    14,276.43x = 21,510.97 × 11,831.92
  4. Step 4: Simplify right side
    14,276.43x = 254,516,076.16
  5. Step 5: Solve for x
    x = 254,516,076.16/14,276.43
  6. Step 6: Final answer
    x = 17,827.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.